2008 Audi RS6 vs. 2007 BMW 750
To start off, 2008 Audi RS6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 750. In addition, the cost of maintenance, including insurance, on 2007 BMW 750 would be higher. At 4,797 cc (8 cylinders), 2007 BMW 750 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (444 HP @ 5700 RPM) has 84 more horse power than 2007 BMW 750. (360 HP @ 6300 RPM). In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2007 BMW 750. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi RS6 weights approximately 120 kg more than 2007 BMW 750. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Audi RS6 (560 Nm @ 1950 RPM) has 72 more torque (in Nm) than 2007 BMW 750. (488 Nm @ 3400 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 750.
Compare all specifications:
| 2008 Audi RS6 | 2007 BMW 750 | |
| Make | Audi | BMW |
| Model | RS6 | 750 |
| Year Released | 2008 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4797 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 360 HP |
| Engine RPM | 5700 RPM | 6300 RPM |
| Torque | 560 Nm | 488 Nm |
| Torque RPM | 1950 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 93 mm | 88.3 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1955 kg | 1835 kg |
| Vehicle Length | 4840 mm | 5050 mm |
| Vehicle Width | 1860 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 3000 mm |
| Fuel Consumption Overall | 14.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 82 L | 88 L |
